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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $10,895,442 | 773,608,755 | 773,608,755 |
| 2006 | $6,986,929 | 343,776,969 | 343,776,969 |
| 2007 | $5,793,519 | 133,199,524 | 133,199,524 |
| 2008 | $4,335,775 | 83,766,972 | 83,766,972 |
| 2009 | $1,560,691 | 3,496,600 | 3,496,600 |
| 2010 | $1,052,097 | 39,124,142 | 39,124,142 |
| 2011 | $2,649,950 | 0 | 0 |
Note: Quantity represents Weight in kilograms
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